§ 868.1850. Monitoring spirometer.
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/us/cfr/t21/s§ 868.1850·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)Identification. A monitoring spirometer is a device used to measure continuously a patient's tidal volume (volume of gas inhaled by the patient during each respiration cycle) or minute volume (the tidal volume multiplied by the rate of respiration for 1 minute) for the evaluation of the patient's ventilatory status.
(b)Classification. Class II (performance standards).